<?php
/**
 * Smarty plugin
 * @package Smarty
 * @subpackage plugins
 */

/**
 * determines if a resource is trusted or not
 *
 * @param string $resource_type
 * @param string $resource_name
 * @return boolean
 */

// $resource_type, $resource_name

function smarty_core_is_trusted($params, &$smarty) {
  $_smarty_trusted = false;
  if ($params['resource_type'] == 'file') {
    if (!empty($smarty->trusted_dir)) {
      $_rp = realpath($params['resource_name']);
      foreach ((array)$smarty->trusted_dir as $curr_dir) {
        if (!empty($curr_dir) && is_readable ($curr_dir)) {
          $_cd = realpath($curr_dir);
          if (strncmp($_rp, $_cd, strlen($_cd)) == 0
              && substr($_rp, strlen($_cd), 1) == DIRECTORY_SEPARATOR ) {
            $_smarty_trusted = true;
            break;
          }
        }
      }
    }

  } else {
  // resource is not on local file system
    $_smarty_trusted = call_user_func_array($smarty->_plugins['resource'][$params['resource_type']][0][3],
        array($params['resource_name'], $smarty));
  }

  return $_smarty_trusted;
}

/* vim: set expandtab: */

?>
